package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author xiaycbstart
 * @create 2019 12 26 23:06
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;

    @Override
    public Result submit(Map map) throws Exception {
         /*
         * 1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
            2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
            3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再
            次预约
            4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            5、预约成功，更新当日的已预约人数
        */
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        //查询所选日期是否可以预约
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //查询预约日期是否已经预约满
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if (reservations >= number) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByPhoneNumber(telephone);
        //查询是否是会员
        if (member == null) {
            //不是会员 自动注册
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        } else {
            //已经是会员 查询是否是重复预约  根据统一用户 同一时间 同一套餐进行查询
            Order order = new Order(member.getId(), date, Integer.parseInt((String) map.get("setmealId")));
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {
                //查询到重复预约记录
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }
        //开始预约 order封装完需要自动返回主键id 用于跳转预约成功页面展示数据
        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        //调整预约日期已预约人数 +1
        orderSetting.setReservations(reservations + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        /*
         <p>体检人：{{orderInfo.member}}</p>
        <p>体检套餐：{{orderInfo.setmeal}}</p>
        <p>体检日期：{{orderInfo.orderDate}}</p>
        <p>预约类型：{{orderInfo.orderType}}</p>*/
        Map map = orderDao.findById4Detail(id);
        if (map != null) {
            Date orderDate = (Date) map.get("orderDate");
            String date = DateUtils.parseDate2String(orderDate);
            map.put("orderDate", date);
        }
        return map;
    }
}
